package me.himi.love.view.list;

import me.himi.love.R;
import android.content.Context;
import android.text.format.Time;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;

public class XListViewHeader extends LinearLayout {
    private LinearLayout mContainer;
    private ImageView mArrowImageView;
    private ProgressBar mProgressBar;
    private TextView mHintTextView;
    private TextView mHeaderTimeView;
    private TextView mHeaderTimeLabel;
    private int mState = STATE_NORMAL;

    private Animation mRotateUpAnim;
    private Animation mRotateDownAnim;

    private final int ROTATE_ANIM_DURATION = 180;

    public final static int STATE_NORMAL = 0;
    public final static int STATE_READY = 1;
    public final static int STATE_REFRESHING = 2;

    public XListViewHeader(Context context) {
	super(context);
	initView(context);
    }

    /**
     * @param context
     * @param attrs
     */
    public XListViewHeader(Context context, AttributeSet attrs) {
	super(context, attrs);
	initView(context);
    }

    private void initView(Context context) {
	LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(android.view.ViewGroup.LayoutParams.MATCH_PARENT, 0);
	mContainer = (LinearLayout) LayoutInflater.from(context).inflate(R.layout.xlistview_header, null);
	addView(mContainer, lp);
	setGravity(Gravity.BOTTOM);

	mArrowImageView = (ImageView) findViewById(R.id.xlistview_header_arrow);
	mHintTextView = (TextView) findViewById(R.id.xlistview_header_hint_textview);
	mProgressBar = (ProgressBar) findViewById(R.id.xlistview_header_progressbar);
	mHeaderTimeView = (TextView) findViewById(R.id.xlistview_header_time);
	mHeaderTimeLabel = (TextView) findViewById(R.id.xlistview_header_time_label);

	mRotateUpAnim = new RotateAnimation(0.0f, -180.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
	mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
	mRotateUpAnim.setFillAfter(true);
	mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
	mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
	mRotateDownAnim.setFillAfter(true);
    }

    public void setState(int state) {
	if (state == mState)
	    return;

	if (state == STATE_REFRESHING) { 
	    mArrowImageView.clearAnimation();
	    mArrowImageView.setVisibility(View.INVISIBLE);
	    mProgressBar.setVisibility(View.VISIBLE);
	} else { 
	    mArrowImageView.setVisibility(View.VISIBLE);
	    mProgressBar.setVisibility(View.INVISIBLE);
	}

	switch (state) {
	case STATE_NORMAL:
	    if (mState == STATE_READY) {
		mArrowImageView.startAnimation(mRotateDownAnim);
	    }
	    if (mState == STATE_REFRESHING) {
		mArrowImageView.clearAnimation();
	    }
	    mHintTextView.setText(R.string.xlistview_header_hint_normal);
	    break;
	case STATE_READY:
	    if (mState != STATE_READY) {
		mArrowImageView.clearAnimation();
		mArrowImageView.startAnimation(mRotateUpAnim);
		mHintTextView.setText(R.string.xlistview_header_hint_ready);
	    }
	    break;
	case STATE_REFRESHING:
	    mHintTextView.setText(R.string.xlistview_header_hint_loading);
	    Time time = new Time();
	    time.setToNow();
	    setRefreshTime(time.format("%Y-%m-%d %T"));
	    break;
	default:
	}

	mState = state;
    }

    public void setVisiableHeight(int height) {
	if (height < 0)
	    height = 0;
	LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mContainer.getLayoutParams();
	lp.height = height;
	mContainer.setLayoutParams(lp);
    }

    public int getVisiableHeight() {
	return mContainer.getHeight();
    }

    public void setRefreshTime(String time) {
	//mHeaderTimeLabel.setVisibility(View.VISIBLE);
	mHeaderTimeView.setText(time);
    }
}
